Which airports can I use when flying from Buffalo to Ontario?

Flights from Buffalo to Ontario usually depart from Buffalo (BUF) and arrive at Ontario (ONT).

Which cabin classes can I book on flights from Buffalo to Ontario?

Only Economy Class is available on flights from Buffalo to Ontario.

Which airports do connecting flights from Buffalo to Ontario pass through?

One-stop flights from Buffalo to Ontario most commonly connect through: • Dallas/Fort Worth (DFW) – 42% of one-stop connections • Denver Intl (DEN) – 18% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) – 12% of one-stop connections • Charlotte Douglas (CLT) – 12% of one-stop connections

Can I save money by using flexible dates for flights from Buffalo to Ontario?

Yes. Flexible dates can save you up to 43% on flights from Buffalo to Ontario. Thursday is the cheapest departure day at C$ 667 round-trip on average, while Monday is the most expensive at C$ 1,162, a difference of C$ 494. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Which popular places can I visit in Ontario?

Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

How long does a flight from Buffalo to Ontario take?

A direct flight from Buffalo to Ontario takes 00m, covering 5,612 km.

Do I need a passport to fly from Buffalo to Ontario?

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

Have flight prices from Buffalo to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 526 to C$ 3,791. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from Buffalo to Ontario looking right now?

One-way fares from Buffalo to Ontario are currently lower than usual. Average one-way flight prices are about C$ 304, which is 28% below the typical average for this route.

How much time can I save by choosing a different layover airport when travelling from Buffalo to Ontario?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 47m, compared with 7h 31m via Baltimore/Washington (BWI) and 7h 53m via Chicago Midway (MDW).

What is the time difference between Buffalo and Ontario?

Ontario is 3 hours behind Buffalo (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging C$ 84 for economy cars. Top options include: • Fox • Europcar • Thrifty • Alamo • Dollar

How much should I expect to pay for a Buffalo to Ontario flight?

Round-trip flights from Buffalo to Ontario range from C$ 581 to C$ 928, with an average of C$ 702 over the past 12 months. Anything below C$ 581 counts as a good deal.

How much is a round-trip flight from Buffalo to Ontario?

Round-trip flights from Buffalo to Ontario typically range from C$ 581 to C$ 928. The lowest price found in the past 5 days was C$ 526, on Delta.

What's the cheapest day of the week to fly from Buffalo to Ontario?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Buffalo to Ontario. It's 5% cheaper than the average day, while Monday is the most expensive, with prices 65% higher.

Which airline is the cheapest to fly from Buffalo to Ontario?

Delta (C$ 526) and United Airlines (C$ 533) are the cheapest airlines to fly round-trip from Buffalo to Ontario according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Buffalo to Ontario?

Dallas/Fort Worth (DFW) is the most popular layover for the Buffalo to Ontario route. 42% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DFW.

What is the cheapest layover airport when flying from Buffalo to Ontario?

Flights via Chicago Midway (MDW) offer the most affordable fares, with an average round-trip price of C$ 521. Based on KAYAK data over the past 3 months.

When flying from Buffalo to Ontario, which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Buffalo to Ontario layovers at 3h 46m over the past three months.

C$ 218 CHEAP FLIGHTS from Buffalo to Ontario (BUF - ONT)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

C$ 526

Typical prices: C$ 581-C$ 928

Delta

Sun 7/1Tue 9/1

BUF - ONT • 1 stop

Cheapest one-way flights

C$ 218

Typical prices: C$ 306-C$ 779

Frontier

Mon 17/12

BUF - ONT • 2 stops

Direct flights

Not available

There are currently no direct flights between Buffalo and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 19% price drop

December

Most popular

Good to know

Top layover airports

Chicago Midway (MDW)

Cheapest • Avg C$ 521 (round-trip)

Denver Intl (DEN)

Shortest trip • 6h 47m (one-way)

Insights

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Ontario!

Flight Deals

Cheap Flights from Buffalo to Ontario (BUF-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Buffalo to Ontario

Thu, 7 Jan - Mon, 11 Jan

6:05 a.m. - 11:55 a.m.BUF Buffalo-ONT Ontario

8h 50m1 stop Atlanta Hartsfield-Jackson

7:05 a.m. - 5:54 p.m.ONT Ontario-BUF Buffalo

7h 49m1 stop Atlanta Hartsfield-Jackson

C$ 526Delta

Thu, 17 Dec - Sat, 19 Dec

8:15 a.m. - 12:42 p.m.BUF Buffalo-ONT Ontario

7h 27m1 stop Denver Intl

11:52 p.m. - 2:15 p.m.ONT Ontario-BUF Buffalo

11h 23m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

C$ 533United Airlines

Thu, 7 Jan - Sun, 10 Jan

6:05 a.m. - 11:55 a.m.BUF Buffalo-ONT Ontario

8h 50m1 stop Atlanta Hartsfield-Jackson

1:07 p.m. - 11:59 p.m.ONT Ontario-BUF Buffalo

7h 52m1 stop Atlanta Hartsfield-Jackson

C$ 575Delta

Wed, 6 Jan - Mon, 11 Jan

6:05 a.m. - 11:55 a.m.BUF Buffalo-ONT Ontario

8h 50m1 stop Atlanta Hartsfield-Jackson

7:05 a.m. - 5:54 p.m.ONT Ontario-BUF Buffalo

7h 49m1 stop Atlanta Hartsfield-Jackson

C$ 612Delta

Thu, 17 Dec - Sat, 19 Dec

4:00 p.m. - 11:00 p.m.BUF Buffalo-ONT Ontario

10h 00m2 stops Chicago Midway Phoenix Sky Harbor Intl

8:05 p.m. - 7:55 a.m.ONT Ontario-BUF Buffalo

8h 50m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

C$ 676Southwest

Mon, 7 Dec - Wed, 9 Dec

8:17 a.m. - 12:34 p.m.BUF Buffalo-ONT Ontario

7h 17m1 stop Denver Intl

1:40 p.m. - 10:57 p.m.ONT Ontario-BUF Buffalo

6h 17m1 stop Denver Intl

C$ 708United Airlines

Thu, 14 Jan - Mon, 18 Jan

4:35 p.m. - 8:25 p.m.BUF Buffalo-ONT Ontario

6h 50m1 stop Las Vegas Harry Reid Intl

7:35 p.m. - 8:25 a.m.ONT Ontario-BUF Buffalo

9h 50m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

C$ 709Southwest

Mon, 7 Dec - Wed, 9 Dec

6:30 a.m. - 3:35 p.m.BUF Buffalo-ONT Ontario

12h 05m2 stops Chicago O'Hare Intl San Francisco

1:40 p.m. - 10:57 p.m.ONT Ontario-BUF Buffalo

6h 17m1 stop Denver Intl

C$ 715United Airlines

Wed, 25 Nov - Sun, 27 Dec

1:54 p.m. - 10:45 a.m.BUF Buffalo-ONT Ontario

23h 51m2 stops Atlanta Hartsfield-Jackson Denver Intl

7:10 p.m. - 5:17 p.m.ONT Ontario-BUF Buffalo

19h 07m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson

C$ 716Frontier

Mon, 7 Dec - Wed, 9 Dec

6:30 a.m. - 3:35 p.m.BUF Buffalo-ONT Ontario

12h 05m2 stops Chicago O'Hare Intl San Francisco

6:40 p.m. - 10:49 a.m.ONT Ontario-BUF Buffalo

13h 09m2 stops San Francisco Newark

C$ 722United Airlines

Recent last minute flight deals from Buffalo to Ontario

Wed, 11 Nov - Sun, 15 Nov

2:00 p.m. - 11:16 a.m.BUF Buffalo-ONT Ontario

24h 16m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

11:52 a.m. - 1:03 p.m.ONT Ontario-BUF Buffalo

22h 11m2 stops Denver Intl Atlanta Hartsfield-Jackson

C$ 1,152Frontier

Mon, 9 Nov - Thu, 12 Nov

4:40 p.m. - 11:46 p.m.BUF Buffalo-ONT Ontario

10h 06m1 stop Dallas/Fort Worth

10:30 a.m. - 10:53 p.m.ONT Ontario-BUF Buffalo

9h 23m1 stop Dallas/Fort Worth

C$ 1,227American Airlines

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 9:05 p.m.BUF Buffalo-ONT Ontario

9h 35m1 stop Denver Intl

11:55 p.m. - 10:25 a.m.ONT Ontario-BUF Buffalo

7h 30m1 stop Chicago Midway

C$ 1,357Southwest

Tue, 10 Nov - Wed, 11 Nov

10:30 a.m. - 9:40 p.m.BUF Buffalo-ONT Ontario

14h 10m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

4:17 p.m. - 9:21 a.m.ONT Ontario-BUF Buffalo

14h 04m2 stops San Francisco Chicago O'Hare Intl

C$ 1,415United Airlines

Tue, 10 Nov - Wed, 11 Nov

6:30 a.m. - 6:01 p.m.BUF Buffalo-ONT Ontario

14h 31m2 stops Chicago O'Hare Intl San Francisco

1:29 p.m. - 10:33 p.m.ONT Ontario-BUF Buffalo

6h 04m1 stop Denver Intl

C$ 1,438United Airlines

Wed, 11 Nov - Sun, 15 Nov

10:30 a.m. - 8:51 p.m.BUF Buffalo-ONT Ontario

13h 21m2 stops Chicago O'Hare Intl Denver Intl

5:00 a.m. - 8:36 p.m.ONT Ontario-BUF Buffalo

12h 36m2 stops Denver Intl Chicago O'Hare Intl

C$ 1,445United Airlines

Tue, 10 Nov - Wed, 11 Nov

1:53 p.m. - 6:47 p.m.BUF Buffalo-ONT Ontario

7h 54m1 stop Chicago O'Hare Intl

7:00 a.m. - 5:02 p.m.ONT Ontario-BUF Buffalo

7h 02m1 stop Chicago O'Hare Intl

C$ 1,455United Airlines

Fri, 6 Nov - Sat, 14 Nov

6:30 a.m. - 6:47 p.m.BUF Buffalo-ONT Ontario

15h 17m1 stop Chicago O'Hare Intl

7:00 a.m. - 9:21 a.m.ONT Ontario-BUF Buffalo

23h 21m1 stop Chicago O'Hare Intl

C$ 1,498United Airlines

Fri, 6 Nov - Fri, 13 Nov

6:30 a.m. - 6:47 p.m.BUF Buffalo-ONT Ontario

15h 17m1 stop Chicago O'Hare Intl

5:00 a.m. - 8:36 p.m.ONT Ontario-BUF Buffalo

12h 36m2 stops Denver Intl Chicago O'Hare Intl

C$ 1,505United Airlines

Wed, 11 Nov - Sun, 15 Nov

2:05 p.m. - 6:20 p.m.BUF Buffalo-ONT Ontario

7h 15m1 stop Chicago Midway

12:00 a.m. - 10:45 a.m.ONT Ontario-BUF Buffalo

7h 45m1 stop Chicago Midway

C$ 1,512JetBlue

Booking Insights

Price, demand, and travel trends for Buffalo to Ontario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Buffalo to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Buffalo to Ontario departing in january.
What's the cheapest day of the week to fly from Buffalo to Ontario?: Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Buffalo to Ontario. It's 5% cheaper than the average day, while Monday is the most expensive, with prices 65% higher.

Find deals

Low season	June
High season	December
Cheapest flight	C$ 218

Beat the crowds with an average 53% drop in traveller numbers.

The most popular month to fly with an average 33% increase in traveller numbers.

One-way flight from Buffalo to Ontario

When to book flights from Buffalo to Ontario

Are your dates flexible? Find out the best times to travel from Buffalo to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Buffalo to Ontario?
Only Economy Class is available on flights from Buffalo to Ontario.
How long does a flight from Buffalo to Ontario take?
A direct flight from Buffalo to Ontario takes 00m, covering 5,612 km.
Do I need a passport to fly from Buffalo to Ontario?
No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.
How much should I expect to pay for a Buffalo to Ontario flight?
Round-trip flights from Buffalo to Ontario range from C$ 581 to C$ 928, with an average of C$ 702 over the past 12 months. Anything below C$ 581 counts as a good deal.
Have flight prices from Buffalo to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 526 to C$ 3,791. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Buffalo to Ontario looking right now?
One-way fares from Buffalo to Ontario are currently lower than usual. Average one-way flight prices are about C$ 304, which is 28% below the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging C$ 84 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Alamo
• Dollar
Which airports can I use when flying from Buffalo to Ontario?
Flights from Buffalo to Ontario usually depart from Buffalo (BUF) and arrive at Ontario (ONT).
Which airports do connecting flights from Buffalo to Ontario pass through?
One-stop flights from Buffalo to Ontario most commonly connect through:

• Dallas/Fort Worth (DFW) – 42% of one-stop connections
• Denver Intl (DEN) – 18% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) – 12% of one-stop connections
• Charlotte Douglas (CLT) – 12% of one-stop connections
Can I save money by using flexible dates for flights from Buffalo to Ontario?
Yes. Flexible dates can save you up to 43% on flights from Buffalo to Ontario. Thursday is the cheapest departure day at C$ 667 round-trip on average, while Monday is the most expensive at C$ 1,162, a difference of C$ 494.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport when travelling from Buffalo to Ontario?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 47m, compared with 7h 31m via Baltimore/Washington (BWI) and 7h 53m via Chicago Midway (MDW).
What is the time difference between Buffalo and Ontario?
Ontario is 3 hours behind Buffalo (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
Which popular places can I visit in Ontario?
Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average C$ 667, about C$ 494 less than Monday fares (43% savings) based on the last 12 months.
If you can choose when to travel, plan your Buffalo to Ontario trip for January. Fares historically average C$ 570 round-trip in that month – typically C$ 390 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Ontario Airport Inn
• Azure Hotel & Suites, Trademark Collection by Wyndham
• Holiday Inn Ontario Airport By IHG

More options for your flight from Buffalo to Ontario

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Hotels in Ontario

BUF - ONT

C$ 218 Find Cheap Flights from Buffalo to Ontario – Compare and Save

Everything you should know

Cheap Flights from Buffalo to Ontario (BUF-ONT)

Recent round-trip flight deals from Buffalo to Ontario

Recent one-way flight deals from Buffalo to Ontario

Recent last minute flight deals from Buffalo to Ontario

Price, demand, and travel trends for Buffalo to Ontario flights

How much is a round-trip flight from Buffalo to Ontario?

What's the cheapest day of the week to fly from Buffalo to Ontario?

Which airline is the cheapest to fly from Buffalo to Ontario?

What’s the most popular layover airport when flying from Buffalo to Ontario?

What is the cheapest layover airport when flying from Buffalo to Ontario?

When flying from Buffalo to Ontario, which airport offers the shortest layover?

Key details for Buffalo to Ontario flights

Low season

High season

Cheapest flight

When to book flights from Buffalo to Ontario

Your Buffalo to Ontario flight questions, answered

Your guide to booking Buffalo to Ontario flights

More options for your flight from Buffalo to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Buffalo to Ontario

Find direct flights to and from Buffalo and Ontario

Flights to other popular destinations